Vulnerability · Published Feb 3, 2026 · Assigned by ASUSTOR1

CVE-2026-24936An improper input validation vulnerability was found in ADM while joining a AD Domain.

Critical 9.5

In plain English

A critical-severity improper input validation in ADM from ASUSTOR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).

Severity (CVSS 4.0)9.5Critical

Exploit odds (30 days)0.8%top 41.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

When a specific function is enabled while joining a AD Domain from ADM, an improper input parameters validation vulnerability in a specific CGI program allowing an unauthenticated remote attacker to write arbitrary data to any file on the system. By exploiting this vulnerability, attackers can overwrite critical system files, leading to a complete system compromise. Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.ROF1 as well as from ADM 5.0.0 through ADM 5.1.1.RCI1.

Affected products (as reported)

Vendor	Product	Versions
ASUSTOR	ADM	4.1.0 – through 4.3.3.ROF15.0.0 – through 5.1.1.RCI1

Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References

https://www.asustor.com/security/security_advisory_detail?id=51 vendor-advisory